Home / 316,534.20-474,801.30-106,121.40

Finding the Fourth Proportional to 316,534.20, 474,801.30 and 106,121.40

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Solution

The fourth proportional to 316,534.20, 474,801.30 and 106,121.40 is: 159,182.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,534.20 : 474,801.30 = 106,121.40 : x
  2. Step 2: Convert to fraction form
    316,534.20/474,801.30 = 106,121.40/x
  3. Step 3: Cross multiply
    316,534.20x = 474,801.30 × 106,121.40
  4. Step 4: Simplify right side
    316,534.20x = 50,386,578,677.82
  5. Step 5: Solve for x
    x = 50,386,578,677.82/316,534.20
  6. Step 6: Final answer
    x = 159,182.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.